Belt noise can mean the belt is worn or loose. Porsche realizes this, so it's offering a paid option for Electric Sport Sound. The VSP was also used in the Nissan Fuga hybrid launched in 2011. Vehicle Sound for Pedestrians or VSP is a Nissan-developed warning sound system in electric vehicles.The Nissan Leaf was the first car manufactured by Nissan to include VSP, and the electric car includes one sound for forward motion and another for reverse. Sound is emotion and sound is sublime, and when it comes to cars, sound is also information. Belt noise can also come when one of the pulleys the belt is riding on starts to fail. When the belt no longer moves smoothly along the pulleys, it makes a noise when the car is accelerating. We started with Trojan T1278 (i believe) and just … About: Car accelerating sound effect was requested by david. Title: Car Accelerating Uploaded: 06.01.10 License: Attribution 3.0 Recorded by SpeedJunkie File Size: 2 MB Downloads: 146932 The other noise you might be accustomed to is that of a loud exhaust system. There's no hard and fast rule on how a car must sound, but it has to land within a certain frequency range, and it must change pitch depending on acceleration and deceleration. BMW just teamed movie music composer Hans Zimmer with its own sound expert, Renzo Vitale, to create lush electronic chords to accompany the acceleration of BMW Vision M Next, an electric … Car companies are beginning to fake acceleration noise in electric cars, as they don’t really have any, inherently. For one thing, the US government is mandating that, by 2020, hybrid and fully electric cars emit sounds at low speeds so that pedestrians hear them coming. In order to protect pedestrians and to give acoustic feedback to the drivers, governments around the world have introduced several regulations which prescribe the presence of a sound for electric vehicles. At … this is good for a racing audio clip. Jerking while accelerating Electric Club Car. teecro- yes you are correct we have 4 12 volt batteries.